| Business | Phone |
| Shell Oil Co 2457 Redondo Ave, Signal Hill 90755 | (562) 426-7191 |
| Axis Petroleum Co 2420 E 28th St # 5, Signal Hill 90755 | (562) 424-8240 |
| Grayfox Oil Co 3276 E Willow St, Signal Hill 90755 | (562) 595-6696 |
| Oil Operators Inc 2676 Orange Ave, Signal Hill 90755 | (562) 424-2451 |
| Oil-Field Assoc 801 E 33rd St, Signal Hill 90755 | (562) 595-9035 |
| Signal Hill West Signal Hill 90755 | (562) 997-2985 |